1 /* 2 * [The "BSD licence"] 3 * Copyright (c) 2005-2008 Terence Parr 4 * All rights reserved. 5 * 6 * Conversion to C#: 7 * Copyright (c) 2008-2009 Sam Harwell, Pixel Mine, Inc. 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 namespace Antlr.Runtime 34 { 35 using System.Collections.Generic; 36 using Exception = System.Exception; 37 using SerializationInfo = System.Runtime.Serialization.SerializationInfo; 38 using StreamingContext = System.Runtime.Serialization.StreamingContext; 39 40 /** <summary> 41 * We were expecting a token but it's not found. The current token 42 * is actually what we wanted next. Used for tree node errors too. 43 * </summary> 44 */ 45 [System.Serializable] 46 public class MissingTokenException : MismatchedTokenException 47 { 48 private readonly object _inserted; 49 MissingTokenException()50 public MissingTokenException() 51 { 52 } 53 MissingTokenException(string message)54 public MissingTokenException(string message) 55 : base(message) 56 { 57 } 58 MissingTokenException(string message, Exception innerException)59 public MissingTokenException(string message, Exception innerException) 60 : base(message, innerException) 61 { 62 } 63 MissingTokenException(int expecting, IIntStream input, object inserted)64 public MissingTokenException(int expecting, IIntStream input, object inserted) 65 : this(expecting, input, inserted, null) 66 { 67 } 68 MissingTokenException(int expecting, IIntStream input, object inserted, IList<string> tokenNames)69 public MissingTokenException(int expecting, IIntStream input, object inserted, IList<string> tokenNames) 70 : base(expecting, input, tokenNames) 71 { 72 this._inserted = inserted; 73 } 74 MissingTokenException(string message, int expecting, IIntStream input, object inserted, IList<string> tokenNames)75 public MissingTokenException(string message, int expecting, IIntStream input, object inserted, IList<string> tokenNames) 76 : base(message, expecting, input, tokenNames) 77 { 78 this._inserted = inserted; 79 } 80 MissingTokenException(string message, int expecting, IIntStream input, object inserted, IList<string> tokenNames, Exception innerException)81 public MissingTokenException(string message, int expecting, IIntStream input, object inserted, IList<string> tokenNames, Exception innerException) 82 : base(message, expecting, input, tokenNames, innerException) 83 { 84 this._inserted = inserted; 85 } 86 MissingTokenException(SerializationInfo info, StreamingContext context)87 protected MissingTokenException(SerializationInfo info, StreamingContext context) 88 : base(info, context) 89 { 90 } 91 92 public virtual int MissingType 93 { 94 get 95 { 96 return Expecting; 97 } 98 } 99 ToString()100 public override string ToString() 101 { 102 if (_inserted != null && Token != null) 103 { 104 return "MissingTokenException(inserted " + _inserted + " at " + Token.Text + ")"; 105 } 106 if (Token != null) 107 { 108 return "MissingTokenException(at " + Token.Text + ")"; 109 } 110 return "MissingTokenException"; 111 } 112 } 113 } 114